Design and construction of a boardwalk of about 2km in length to enhance connectivity between the open space in Causeway Bay and Quarry Bay by linking up the planned harbourfront open space at Oil Street and the promenade at Hoi Yu Street with four moveable bridges placed along the boardwalk. Planned associated activity nodes and facilities such as viewing platforms and fishing platforms, catering for the various needs of the community. To carry out a Preliminary Environmental Review (PER) for the project and agree the findings with the Director of EPD; assess the impacts on environment during construction, commissioning and operation phases; recommend mitigation measures to ensure that the environmental impacts of the project are minimized with acceptable limits and satisfying the relevant ordinances.